@misc{indiciae1faa331d7729,
  title = {Measles immunisation: why have we failed?},
  author = {A G Campbell},
  year = {1983},
  doi = {10.1136/adc.58.1.3},
  url = {https://pubmed.ncbi.nlm.nih.gov/6830272/},
  note = {Source identifier: 6830272}
}